High 7.5Published Jun 8, 2026

CVE-2026-40984Micrometer HTTP server instrumentations DoS vulnerability

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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It affects Spring Micrometer and 17 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Spring Micrometer

Exploited in the last 30 days

In Micrometer, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. Affected versions: micrometer-core 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18; 1.9.0 through 1.9.17. micrometer-jetty11 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18. micrometer-jetty12 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-400, CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: vmware
NVD analysis: Awaiting Analysis
Record last updated: Sep 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Spring Micrometer spring:micrometer (from the name)	from 1.16.0 before 1.16.5.1; from 1.15.0 before 1.15.11.1; from 1.14.0 before 1.14.16; from 1.13.0 before 1.13.19; from 1.9.0 before 1.9.18	CNA record
Red Hat Red Hat AMQ Broker 7.13.6 redhat:amq_broker	7.13	CISA ADP
Red Hat Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 redhat:apache_camel_spring_boot	4.18	CISA ADP
Red Hat Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 redhat:apache_camel_quarkus	3.33	CISA ADP
Red Hat Red Hat build of Keycloak 26.6 redhat:build_keycloak	from 26.6.5-1 not affected	CISA ADP
Red Hat Red Hat Data Grid 8.6.2 redhat:jboss_data_grid	8	CISA ADP
Red Hat Streams for Apache Kafka 3.2.1 redhat:amq_streams	3.2	CISA ADP
Red Hat Red Hat OpenShift Dev Spaces 3.30 redhat:openshift_devspaces	from 1787759145 not affected	CISA ADP
Red Hat Red Hat AMQ Clients redhat:amq_clients	2023	CISA ADP
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 redhat:camel_quarkus	3	CISA ADP
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References

References

https://spring.io/security/cve-2026-40984
https://access.redhat.com/errata/RHSA-2026:36839
https://access.redhat.com/errata/RHSA-2026:37390
https://access.redhat.com/errata/RHSA-2026:41951
https://access.redhat.com/errata/RHSA-2026:50848
https://access.redhat.com/errata/RHSA-2026:50849
https://access.redhat.com/errata/RHSA-2026:54435
https://access.redhat.com/errata/RHSA-2026:62260
https://access.redhat.com/errata/RHSA-2026:66488
https://access.redhat.com/errata/RHSA-2026:66545
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.